./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-mult-equiv.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ab2e0ac4 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c ./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-mult-equiv.wvr.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-dev-ab2e0ac-m [2024-01-29 14:20:03,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-01-29 14:20:03,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-01-29 14:20:03,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-01-29 14:20:03,571 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-01-29 14:20:03,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-01-29 14:20:03,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-01-29 14:20:03,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-01-29 14:20:03,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-01-29 14:20:03,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-01-29 14:20:03,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-01-29 14:20:03,599 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-01-29 14:20:03,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-01-29 14:20:03,601 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-01-29 14:20:03,601 INFO L153 SettingsManager]: * Use SBE=true [2024-01-29 14:20:03,602 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-01-29 14:20:03,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-01-29 14:20:03,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-01-29 14:20:03,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-01-29 14:20:03,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-01-29 14:20:03,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-01-29 14:20:03,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-01-29 14:20:03,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-01-29 14:20:03,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-01-29 14:20:03,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-01-29 14:20:03,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-01-29 14:20:03,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-01-29 14:20:03,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-01-29 14:20:03,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-01-29 14:20:03,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-01-29 14:20:03,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-01-29 14:20:03,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-01-29 14:20:03,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:03,606 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-01-29 14:20:03,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-01-29 14:20:03,608 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-01-29 14:20:03,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-01-29 14:20:03,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-01-29 14:20:03,608 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-01-29 14:20:03,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-01-29 14:20:03,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-01-29 14:20:03,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-01-29 14:20:03,862 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-01-29 14:20:03,862 INFO L274 PluginConnector]: Witness Parser initialized [2024-01-29 14:20:03,863 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/./goblint.2023-12-19_14-39-08.files/SV-COMP24_unreach-call/popl20-mult-equiv.wvr.yml/witness.yml [2024-01-29 14:20:04,018 INFO L270 PluginConnector]: Initializing CDTParser... [2024-01-29 14:20:04,019 INFO L274 PluginConnector]: CDTParser initialized [2024-01-29 14:20:04,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-29 14:20:04,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-01-29 14:20:05,103 INFO L384 CDTParser]: Found 1 translation units. [2024-01-29 14:20:05,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-01-29 14:20:05,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d87a776e/29f8c2e4773547e98b74a26b2063291f/FLAGeea57e823 [2024-01-29 14:20:05,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d87a776e/29f8c2e4773547e98b74a26b2063291f [2024-01-29 14:20:05,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-01-29 14:20:05,180 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-01-29 14:20:05,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:05,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-01-29 14:20:05,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-01-29 14:20:05,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:04" (1/2) ... [2024-01-29 14:20:05,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3897c8c1 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:05, skipping insertion in model container [2024-01-29 14:20:05,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:04" (1/2) ... [2024-01-29 14:20:05,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7327b7ed and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 29.01 02:20:05, skipping insertion in model container [2024-01-29 14:20:05,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:05" (2/2) ... [2024-01-29 14:20:05,206 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3897c8c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05, skipping insertion in model container [2024-01-29 14:20:05,206 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 02:20:05" (2/2) ... [2024-01-29 14:20:05,206 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-01-29 14:20:05,235 INFO L96 nessWitnessExtractor]: Found the following entries in the witness: [2024-01-29 14:20:05,236 INFO L98 nessWitnessExtractor]: Location invariant before [L42-L42] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,236 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] N != 0U [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L47-L47] 1U <= N [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L62-L62] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L53-L53] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L61-L61] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L80-L80] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L81-L81] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,237 INFO L98 nessWitnessExtractor]: Location invariant before [L46-L49] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] q == 0U [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] M == 0U [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] p == 0U [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L43-L43] N == 0U [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L52-L52] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,238 INFO L98 nessWitnessExtractor]: Location invariant before [L64-L64] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,239 INFO L98 nessWitnessExtractor]: Location invariant before [L71-L71] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,239 INFO L98 nessWitnessExtractor]: Location invariant before [L41-L41] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,239 INFO L98 nessWitnessExtractor]: Location invariant before [L60-L60] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,239 INFO L98 nessWitnessExtractor]: Loop invariant at [L44-L54] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L82-L82] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] N <= 4294967294U [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L50-L50] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L45-L45] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L75-L75] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] N != 0U [2024-01-29 14:20:05,240 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] 2U <= N [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L67-L67] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L83-L83] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L56-L56] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] N <= 4294967293U [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L69-L69] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] N != 0U [2024-01-29 14:20:05,241 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,242 INFO L98 nessWitnessExtractor]: Location invariant before [L66-L66] 2U <= N [2024-01-29 14:20:05,242 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] N == 0U [2024-01-29 14:20:05,242 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] q == 0U [2024-01-29 14:20:05,243 INFO L98 nessWitnessExtractor]: Location invariant before [L94-L94] p == 0U [2024-01-29 14:20:05,244 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] q == 0U [2024-01-29 14:20:05,244 INFO L98 nessWitnessExtractor]: Location invariant before [L97-L97] p == 0U [2024-01-29 14:20:05,244 INFO L98 nessWitnessExtractor]: Location invariant before [L51-L51] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,244 INFO L98 nessWitnessExtractor]: Loop invariant at [L63-L73] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,244 INFO L98 nessWitnessExtractor]: Loop invariant at [L79-L84] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L86-L86] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L72-L72] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] 1U <= N [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L48-L48] N != 0U [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L65-L68] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,245 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] M == 0U [2024-01-29 14:20:05,246 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] p == 0U [2024-01-29 14:20:05,246 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] q == 0U [2024-01-29 14:20:05,246 INFO L98 nessWitnessExtractor]: Location invariant before [L93-L93] N == 0U [2024-01-29 14:20:05,246 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] N == 0U [2024-01-29 14:20:05,247 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] M == 0U [2024-01-29 14:20:05,247 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] p == 0U [2024-01-29 14:20:05,248 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] q == 0U [2024-01-29 14:20:05,248 INFO L98 nessWitnessExtractor]: Location invariant before [L92-L92] L == 0U [2024-01-29 14:20:05,248 INFO L98 nessWitnessExtractor]: Location invariant before [L70-L70] (unsigned long )_argptr == 0UL [2024-01-29 14:20:05,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-01-29 14:20:05,421 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2630,2643] [2024-01-29 14:20:05,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:05,431 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-01-29 14:20:05,486 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c[2630,2643] [2024-01-29 14:20:05,486 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-01-29 14:20:05,497 INFO L206 MainTranslator]: Completed translation [2024-01-29 14:20:05,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05 WrapperNode [2024-01-29 14:20:05,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-01-29 14:20:05,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:05,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-01-29 14:20:05,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-01-29 14:20:05,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,526 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2024-01-29 14:20:05,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-01-29 14:20:05,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-01-29 14:20:05,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-01-29 14:20:05,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-01-29 14:20:05,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,549 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-01-29 14:20:05,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-01-29 14:20:05,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-01-29 14:20:05,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-01-29 14:20:05,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-01-29 14:20:05,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (1/1) ... [2024-01-29 14:20:05,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-01-29 14:20:05,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-01-29 14:20:05,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-01-29 14:20:05,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-01-29 14:20:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-01-29 14:20:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-01-29 14:20:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-01-29 14:20:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-01-29 14:20:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-01-29 14:20:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-01-29 14:20:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-01-29 14:20:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-01-29 14:20:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-01-29 14:20:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-01-29 14:20:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-01-29 14:20:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-01-29 14:20:05,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-01-29 14:20:05,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-01-29 14:20:05,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-01-29 14:20:05,646 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-01-29 14:20:05,722 INFO L244 CfgBuilder]: Building ICFG [2024-01-29 14:20:05,724 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-01-29 14:20:06,162 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-01-29 14:20:06,162 INFO L293 CfgBuilder]: Performing block encoding [2024-01-29 14:20:06,437 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-01-29 14:20:06,438 INFO L320 CfgBuilder]: Removed 3 assume(true) statements. [2024-01-29 14:20:06,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:06 BoogieIcfgContainer [2024-01-29 14:20:06,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-01-29 14:20:06,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-01-29 14:20:06,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-01-29 14:20:06,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-01-29 14:20:06,447 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 29.01 02:20:04" (1/4) ... [2024-01-29 14:20:06,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aa3810 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 29.01 02:20:06, skipping insertion in model container [2024-01-29 14:20:06,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 02:20:05" (2/4) ... [2024-01-29 14:20:06,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aa3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:06, skipping insertion in model container [2024-01-29 14:20:06,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 02:20:05" (3/4) ... [2024-01-29 14:20:06,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76aa3810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 02:20:06, skipping insertion in model container [2024-01-29 14:20:06,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 02:20:06" (4/4) ... [2024-01-29 14:20:06,452 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-01-29 14:20:06,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-01-29 14:20:06,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-01-29 14:20:06,472 INFO L518 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-01-29 14:20:06,557 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-01-29 14:20:06,601 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 127 transitions, 275 flow [2024-01-29 14:20:06,669 INFO L124 PetriNetUnfolderBase]: 3/124 cut-off events. [2024-01-29 14:20:06,669 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-01-29 14:20:06,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 124 events. 3/124 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 445 event pairs, 0 based on Foata normal form. 0/57 useless extension candidates. Maximal degree in co-relation 103. Up to 2 conditions per place. [2024-01-29 14:20:06,675 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 127 transitions, 275 flow [2024-01-29 14:20:06,683 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 130 places, 123 transitions, 264 flow [2024-01-29 14:20:06,695 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-01-29 14:20:06,702 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a9f1550, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-01-29 14:20:06,702 INFO L358 AbstractCegarLoop]: Starting to check reachability of 116 error locations. [2024-01-29 14:20:06,704 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-01-29 14:20:06,704 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2024-01-29 14:20:06,705 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-01-29 14:20:06,705 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:06,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2024-01-29 14:20:06,706 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:06,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:06,711 INFO L85 PathProgramCache]: Analyzing trace with hash 17378, now seen corresponding path program 1 times [2024-01-29 14:20:06,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:06,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447122758] [2024-01-29 14:20:06,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:06,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:06,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:06,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447122758] [2024-01-29 14:20:06,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447122758] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:06,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:06,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:06,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562446315] [2024-01-29 14:20:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:06,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:06,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:06,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:07,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-29 14:20:07,011 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 123 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:07,011 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:07,012 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-29 14:20:07,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:07,805 INFO L124 PetriNetUnfolderBase]: 3766/6409 cut-off events. [2024-01-29 14:20:07,806 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2024-01-29 14:20:07,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12185 conditions, 6409 events. 3766/6409 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 52868 event pairs, 3657 based on Foata normal form. 1/3725 useless extension candidates. Maximal degree in co-relation 11445. Up to 5448 conditions per place. [2024-01-29 14:20:07,858 INFO L140 encePairwiseOnDemand]: 102/127 looper letters, 40 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-01-29 14:20:07,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 100 transitions, 302 flow [2024-01-29 14:20:07,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:07,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2024-01-29 14:20:07,870 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6509186351706037 [2024-01-29 14:20:07,872 INFO L175 Difference]: Start difference. First operand has 130 places, 123 transitions, 264 flow. Second operand 3 states and 248 transitions. [2024-01-29 14:20:07,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 100 transitions, 302 flow [2024-01-29 14:20:07,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 100 transitions, 290 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-01-29 14:20:07,888 INFO L231 Difference]: Finished difference. Result has 103 places, 100 transitions, 210 flow [2024-01-29 14:20:07,889 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=103, PETRI_TRANSITIONS=100} [2024-01-29 14:20:07,892 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -27 predicate places. [2024-01-29 14:20:07,892 INFO L495 AbstractCegarLoop]: Abstraction has has 103 places, 100 transitions, 210 flow [2024-01-29 14:20:07,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:07,893 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:07,893 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-01-29 14:20:07,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-01-29 14:20:07,894 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:07,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:07,895 INFO L85 PathProgramCache]: Analyzing trace with hash 539348, now seen corresponding path program 1 times [2024-01-29 14:20:07,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:07,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025361325] [2024-01-29 14:20:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:07,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:07,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:07,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:07,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025361325] [2024-01-29 14:20:07,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025361325] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:07,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:07,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:07,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630461609] [2024-01-29 14:20:07,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:07,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:07,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:07,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:07,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:07,996 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-29 14:20:07,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 103 places, 100 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:07,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:07,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-29 14:20:07,998 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:08,731 INFO L124 PetriNetUnfolderBase]: 4869/9275 cut-off events. [2024-01-29 14:20:08,731 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-01-29 14:20:08,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16467 conditions, 9275 events. 4869/9275 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 706. Compared 84843 event pairs, 2367 based on Foata normal form. 3/5919 useless extension candidates. Maximal degree in co-relation 16451. Up to 3563 conditions per place. [2024-01-29 14:20:08,783 INFO L140 encePairwiseOnDemand]: 120/127 looper letters, 69 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2024-01-29 14:20:08,783 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 126 transitions, 407 flow [2024-01-29 14:20:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:08,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-29 14:20:08,787 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-29 14:20:08,787 INFO L175 Difference]: Start difference. First operand has 103 places, 100 transitions, 210 flow. Second operand 3 states and 253 transitions. [2024-01-29 14:20:08,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 126 transitions, 407 flow [2024-01-29 14:20:08,788 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 126 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:08,790 INFO L231 Difference]: Finished difference. Result has 100 places, 97 transitions, 210 flow [2024-01-29 14:20:08,790 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=100, PETRI_TRANSITIONS=97} [2024-01-29 14:20:08,791 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -30 predicate places. [2024-01-29 14:20:08,791 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 97 transitions, 210 flow [2024-01-29 14:20:08,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:08,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:08,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-01-29 14:20:08,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-01-29 14:20:08,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:08,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash 16720402, now seen corresponding path program 1 times [2024-01-29 14:20:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:08,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170985940] [2024-01-29 14:20:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:08,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:08,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:08,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:08,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170985940] [2024-01-29 14:20:08,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170985940] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:08,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:08,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:08,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316391791] [2024-01-29 14:20:08,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:08,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:08,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:08,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:08,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:08,884 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 127 [2024-01-29 14:20:08,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 97 transitions, 210 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:08,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:08,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 127 [2024-01-29 14:20:08,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:09,820 INFO L124 PetriNetUnfolderBase]: 7317/13289 cut-off events. [2024-01-29 14:20:09,821 INFO L125 PetriNetUnfolderBase]: For 770/787 co-relation queries the response was YES. [2024-01-29 14:20:09,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24707 conditions, 13289 events. 7317/13289 cut-off events. For 770/787 co-relation queries the response was YES. Maximal size of possible extension queue 939. Compared 118465 event pairs, 2255 based on Foata normal form. 4/9294 useless extension candidates. Maximal degree in co-relation 12050. Up to 6983 conditions per place. [2024-01-29 14:20:09,895 INFO L140 encePairwiseOnDemand]: 119/127 looper letters, 70 selfloop transitions, 3 changer transitions 0/124 dead transitions. [2024-01-29 14:20:09,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 124 transitions, 422 flow [2024-01-29 14:20:09,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 253 transitions. [2024-01-29 14:20:09,897 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6640419947506562 [2024-01-29 14:20:09,897 INFO L175 Difference]: Start difference. First operand has 100 places, 97 transitions, 210 flow. Second operand 3 states and 253 transitions. [2024-01-29 14:20:09,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 124 transitions, 422 flow [2024-01-29 14:20:09,898 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 124 transitions, 419 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:20:09,899 INFO L231 Difference]: Finished difference. Result has 98 places, 95 transitions, 219 flow [2024-01-29 14:20:09,899 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=98, PETRI_TRANSITIONS=95} [2024-01-29 14:20:09,900 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -32 predicate places. [2024-01-29 14:20:09,900 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 95 transitions, 219 flow [2024-01-29 14:20:09,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:09,901 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:09,901 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-01-29 14:20:09,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-01-29 14:20:09,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:09,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:09,902 INFO L85 PathProgramCache]: Analyzing trace with hash 518333044, now seen corresponding path program 1 times [2024-01-29 14:20:09,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:09,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792634952] [2024-01-29 14:20:09,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:09,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:09,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792634952] [2024-01-29 14:20:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792634952] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:09,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150114408] [2024-01-29 14:20:09,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:09,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:09,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:09,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:09,943 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 127 [2024-01-29 14:20:09,943 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 95 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:09,943 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:09,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 127 [2024-01-29 14:20:09,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:10,735 INFO L124 PetriNetUnfolderBase]: 6950/11340 cut-off events. [2024-01-29 14:20:10,735 INFO L125 PetriNetUnfolderBase]: For 1636/1680 co-relation queries the response was YES. [2024-01-29 14:20:10,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23254 conditions, 11340 events. 6950/11340 cut-off events. For 1636/1680 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 92952 event pairs, 5937 based on Foata normal form. 1/8254 useless extension candidates. Maximal degree in co-relation 11475. Up to 9837 conditions per place. [2024-01-29 14:20:10,800 INFO L140 encePairwiseOnDemand]: 123/127 looper letters, 42 selfloop transitions, 2 changer transitions 0/93 dead transitions. [2024-01-29 14:20:10,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 93 transitions, 303 flow [2024-01-29 14:20:10,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:10,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:10,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 226 transitions. [2024-01-29 14:20:10,801 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5931758530183727 [2024-01-29 14:20:10,801 INFO L175 Difference]: Start difference. First operand has 98 places, 95 transitions, 219 flow. Second operand 3 states and 226 transitions. [2024-01-29 14:20:10,801 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 93 transitions, 303 flow [2024-01-29 14:20:10,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 93 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-01-29 14:20:10,803 INFO L231 Difference]: Finished difference. Result has 97 places, 93 transitions, 216 flow [2024-01-29 14:20:10,804 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=216, PETRI_PLACES=97, PETRI_TRANSITIONS=93} [2024-01-29 14:20:10,804 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -33 predicate places. [2024-01-29 14:20:10,804 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 93 transitions, 216 flow [2024-01-29 14:20:10,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:10,805 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:10,805 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-01-29 14:20:10,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-01-29 14:20:10,805 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:10,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:10,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1111544262, now seen corresponding path program 1 times [2024-01-29 14:20:10,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:10,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111726280] [2024-01-29 14:20:10,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:10,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:10,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:10,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111726280] [2024-01-29 14:20:10,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111726280] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:10,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:10,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-01-29 14:20:10,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735060802] [2024-01-29 14:20:10,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:10,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-01-29 14:20:10,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:10,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-01-29 14:20:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-01-29 14:20:10,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 127 [2024-01-29 14:20:10,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 93 transitions, 216 flow. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:10,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:10,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 127 [2024-01-29 14:20:10,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:11,662 INFO L124 PetriNetUnfolderBase]: 6950/11337 cut-off events. [2024-01-29 14:20:11,662 INFO L125 PetriNetUnfolderBase]: For 1637/1681 co-relation queries the response was YES. [2024-01-29 14:20:11,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22975 conditions, 11337 events. 6950/11337 cut-off events. For 1637/1681 co-relation queries the response was YES. Maximal size of possible extension queue 788. Compared 92843 event pairs, 5937 based on Foata normal form. 1/8252 useless extension candidates. Maximal degree in co-relation 22953. Up to 9836 conditions per place. [2024-01-29 14:20:11,724 INFO L140 encePairwiseOnDemand]: 122/127 looper letters, 42 selfloop transitions, 2 changer transitions 0/90 dead transitions. [2024-01-29 14:20:11,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 90 transitions, 298 flow [2024-01-29 14:20:11,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-01-29 14:20:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-01-29 14:20:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 224 transitions. [2024-01-29 14:20:11,725 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5879265091863517 [2024-01-29 14:20:11,725 INFO L175 Difference]: Start difference. First operand has 97 places, 93 transitions, 216 flow. Second operand 3 states and 224 transitions. [2024-01-29 14:20:11,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 90 transitions, 298 flow [2024-01-29 14:20:11,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 90 transitions, 294 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:11,727 INFO L231 Difference]: Finished difference. Result has 94 places, 90 transitions, 210 flow [2024-01-29 14:20:11,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=210, PETRI_PLACES=94, PETRI_TRANSITIONS=90} [2024-01-29 14:20:11,728 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -36 predicate places. [2024-01-29 14:20:11,728 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 90 transitions, 210 flow [2024-01-29 14:20:11,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:11,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:11,729 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:11,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-01-29 14:20:11,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:11,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1775045757, now seen corresponding path program 1 times [2024-01-29 14:20:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408711796] [2024-01-29 14:20:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-01-29 14:20:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-01-29 14:20:11,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-01-29 14:20:11,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408711796] [2024-01-29 14:20:11,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408711796] provided 1 perfect and 0 imperfect interpolant sequences [2024-01-29 14:20:11,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-01-29 14:20:11,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-01-29 14:20:11,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624618069] [2024-01-29 14:20:11,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-01-29 14:20:11,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-01-29 14:20:11,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-01-29 14:20:11,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-01-29 14:20:11,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-01-29 14:20:11,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 127 [2024-01-29 14:20:11,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 90 transitions, 210 flow. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:11,822 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-01-29 14:20:11,822 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 127 [2024-01-29 14:20:11,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-01-29 14:20:12,459 INFO L124 PetriNetUnfolderBase]: 6021/10039 cut-off events. [2024-01-29 14:20:12,459 INFO L125 PetriNetUnfolderBase]: For 1456/1560 co-relation queries the response was YES. [2024-01-29 14:20:12,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20118 conditions, 10039 events. 6021/10039 cut-off events. For 1456/1560 co-relation queries the response was YES. Maximal size of possible extension queue 678. Compared 79875 event pairs, 325 based on Foata normal form. 1420/9993 useless extension candidates. Maximal degree in co-relation 20092. Up to 7886 conditions per place. [2024-01-29 14:20:12,518 INFO L140 encePairwiseOnDemand]: 116/127 looper letters, 59 selfloop transitions, 2 changer transitions 0/100 dead transitions. [2024-01-29 14:20:12,518 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 100 transitions, 362 flow [2024-01-29 14:20:12,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-01-29 14:20:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-01-29 14:20:12,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 289 transitions. [2024-01-29 14:20:12,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5688976377952756 [2024-01-29 14:20:12,520 INFO L175 Difference]: Start difference. First operand has 94 places, 90 transitions, 210 flow. Second operand 4 states and 289 transitions. [2024-01-29 14:20:12,520 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 100 transitions, 362 flow [2024-01-29 14:20:12,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 100 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-01-29 14:20:12,523 INFO L231 Difference]: Finished difference. Result has 86 places, 81 transitions, 192 flow [2024-01-29 14:20:12,523 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=127, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=86, PETRI_TRANSITIONS=81} [2024-01-29 14:20:12,523 INFO L281 CegarLoopForPetriNet]: 130 programPoint places, -44 predicate places. [2024-01-29 14:20:12,523 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 81 transitions, 192 flow [2024-01-29 14:20:12,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-01-29 14:20:12,524 INFO L200 CegarLoopForPetriNet]: Found error trace [2024-01-29 14:20:12,524 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:12,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-01-29 14:20:12,524 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT === [thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT, thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (and 113 more)] === [2024-01-29 14:20:12,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-01-29 14:20:12,525 INFO L85 PathProgramCache]: Analyzing trace with hash 808157031, now seen corresponding path program 1 times [2024-01-29 14:20:12,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-01-29 14:20:12,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066717230] [2024-01-29 14:20:12,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-01-29 14:20:12,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-01-29 14:20:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:20:12,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-01-29 14:20:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-01-29 14:20:12,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-01-29 14:20:12,557 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-01-29 14:20:12,558 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (115 of 116 remaining) [2024-01-29 14:20:12,559 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (114 of 116 remaining) [2024-01-29 14:20:12,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (113 of 116 remaining) [2024-01-29 14:20:12,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONWITNESS_INVARIANT (112 of 116 remaining) [2024-01-29 14:20:12,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (111 of 116 remaining) [2024-01-29 14:20:12,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (110 of 116 remaining) [2024-01-29 14:20:12,560 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (109 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (108 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (107 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (106 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (105 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (104 of 116 remaining) [2024-01-29 14:20:12,561 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (103 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (102 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (101 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (100 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (99 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (98 of 116 remaining) [2024-01-29 14:20:12,562 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (97 of 116 remaining) [2024-01-29 14:20:12,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (96 of 116 remaining) [2024-01-29 14:20:12,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (95 of 116 remaining) [2024-01-29 14:20:12,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (94 of 116 remaining) [2024-01-29 14:20:12,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (93 of 116 remaining) [2024-01-29 14:20:12,563 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (92 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (91 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (90 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (89 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (88 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (87 of 116 remaining) [2024-01-29 14:20:12,564 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (86 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (85 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (84 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (83 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (82 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (81 of 116 remaining) [2024-01-29 14:20:12,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (80 of 116 remaining) [2024-01-29 14:20:12,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (79 of 116 remaining) [2024-01-29 14:20:12,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (78 of 116 remaining) [2024-01-29 14:20:12,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (77 of 116 remaining) [2024-01-29 14:20:12,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (76 of 116 remaining) [2024-01-29 14:20:12,566 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (75 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (74 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (73 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (72 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (71 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (70 of 116 remaining) [2024-01-29 14:20:12,567 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (69 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (68 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (67 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (66 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (65 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (64 of 116 remaining) [2024-01-29 14:20:12,568 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONWITNESS_INVARIANT (63 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONWITNESS_INVARIANT (62 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONWITNESS_INVARIANT (61 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONWITNESS_INVARIANT (60 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONWITNESS_INVARIANT (59 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONWITNESS_INVARIANT (58 of 116 remaining) [2024-01-29 14:20:12,569 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONWITNESS_INVARIANT (57 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONWITNESS_INVARIANT (56 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONWITNESS_INVARIANT (55 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONWITNESS_INVARIANT (54 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONWITNESS_INVARIANT (53 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONWITNESS_INVARIANT (52 of 116 remaining) [2024-01-29 14:20:12,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (51 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONWITNESS_INVARIANT (47 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONWITNESS_INVARIANT (46 of 116 remaining) [2024-01-29 14:20:12,571 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONWITNESS_INVARIANT (45 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONWITNESS_INVARIANT (44 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONWITNESS_INVARIANT (43 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONWITNESS_INVARIANT (42 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONWITNESS_INVARIANT (41 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err8ASSERT_VIOLATIONWITNESS_INVARIANT (40 of 116 remaining) [2024-01-29 14:20:12,572 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err22ASSERT_VIOLATIONWITNESS_INVARIANT (39 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err9ASSERT_VIOLATIONWITNESS_INVARIANT (38 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err10ASSERT_VIOLATIONWITNESS_INVARIANT (37 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err11ASSERT_VIOLATIONWITNESS_INVARIANT (36 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err12ASSERT_VIOLATIONWITNESS_INVARIANT (35 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err13ASSERT_VIOLATIONWITNESS_INVARIANT (34 of 116 remaining) [2024-01-29 14:20:12,573 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err14ASSERT_VIOLATIONWITNESS_INVARIANT (33 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err15ASSERT_VIOLATIONWITNESS_INVARIANT (32 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err16ASSERT_VIOLATIONWITNESS_INVARIANT (31 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err17ASSERT_VIOLATIONWITNESS_INVARIANT (30 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err18ASSERT_VIOLATIONWITNESS_INVARIANT (29 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err19ASSERT_VIOLATIONWITNESS_INVARIANT (28 of 116 remaining) [2024-01-29 14:20:12,574 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err20ASSERT_VIOLATIONWITNESS_INVARIANT (27 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err21ASSERT_VIOLATIONWITNESS_INVARIANT (26 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONWITNESS_INVARIANT (25 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONWITNESS_INVARIANT (24 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONWITNESS_INVARIANT (23 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONWITNESS_INVARIANT (22 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONWITNESS_INVARIANT (21 of 116 remaining) [2024-01-29 14:20:12,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err18ASSERT_VIOLATIONWITNESS_INVARIANT (20 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONWITNESS_INVARIANT (19 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONWITNESS_INVARIANT (18 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONWITNESS_INVARIANT (17 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err8ASSERT_VIOLATIONWITNESS_INVARIANT (16 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err9ASSERT_VIOLATIONWITNESS_INVARIANT (15 of 116 remaining) [2024-01-29 14:20:12,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err10ASSERT_VIOLATIONWITNESS_INVARIANT (14 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err11ASSERT_VIOLATIONWITNESS_INVARIANT (13 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err12ASSERT_VIOLATIONWITNESS_INVARIANT (12 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err13ASSERT_VIOLATIONWITNESS_INVARIANT (11 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err14ASSERT_VIOLATIONWITNESS_INVARIANT (10 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err15ASSERT_VIOLATIONWITNESS_INVARIANT (9 of 116 remaining) [2024-01-29 14:20:12,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err16ASSERT_VIOLATIONWITNESS_INVARIANT (8 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err17ASSERT_VIOLATIONWITNESS_INVARIANT (7 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err0ASSERT_VIOLATIONWITNESS_INVARIANT (6 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err1ASSERT_VIOLATIONWITNESS_INVARIANT (5 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err6ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err2ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err3ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 116 remaining) [2024-01-29 14:20:12,578 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err4ASSERT_VIOLATIONWITNESS_INVARIANT (1 of 116 remaining) [2024-01-29 14:20:12,579 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thread3Err5ASSERT_VIOLATIONWITNESS_INVARIANT (0 of 116 remaining) [2024-01-29 14:20:12,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-01-29 14:20:12,579 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-01-29 14:20:12,585 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-01-29 14:20:12,585 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-01-29 14:20:12,605 INFO L503 ceAbstractionStarter]: Automizer considered 63 witness invariants [2024-01-29 14:20:12,605 INFO L504 ceAbstractionStarter]: WitnessConsidered=63 [2024-01-29 14:20:12,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 02:20:12 BasicIcfg [2024-01-29 14:20:12,606 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-01-29 14:20:12,606 INFO L158 Benchmark]: Toolchain (without parser) took 7426.84ms. Allocated memory was 148.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 122.9MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 561.4MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,607 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:20:12,607 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-01-29 14:20:12,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.44ms. Allocated memory is still 148.9MB. Free memory was 122.9MB in the beginning and 104.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.53ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,608 INFO L158 Benchmark]: Boogie Preprocessor took 48.47ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 100.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,608 INFO L158 Benchmark]: RCFGBuilder took 864.47ms. Allocated memory is still 148.9MB. Free memory was 100.1MB in the beginning and 110.5MB in the end (delta: -10.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,608 INFO L158 Benchmark]: TraceAbstraction took 6162.77ms. Allocated memory was 148.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 109.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 548.5MB. Max. memory is 16.1GB. [2024-01-29 14:20:12,609 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 148.9MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 107.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.44ms. Allocated memory is still 148.9MB. Free memory was 122.9MB in the beginning and 104.2MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.53ms. Allocated memory is still 148.9MB. Free memory was 104.2MB in the beginning and 102.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.47ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 100.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 864.47ms. Allocated memory is still 148.9MB. Free memory was 100.1MB in the beginning and 110.5MB in the end (delta: -10.4MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6162.77ms. Allocated memory was 148.9MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 109.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 548.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 43]: invariant of correctness witness can be violated invariant of correctness witness can be violated We found a FailurePath: [L38] 0 unsigned int L, M, N, p, q; [L90] 0 pthread_t t1, t2, t3; VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[L],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] VAL [L=0, M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L92] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] [L92] 0 L = __VERIFIER_nondet_uint() [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [M=0, N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L93] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[M],IntegerLiteral[0U]]]] [L93] 0 M = __VERIFIER_nondet_uint() [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] VAL [N=0, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L94] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] [L94] 0 N = L VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[p],IntegerLiteral[0U]]]] VAL [L=4294967297, N=4294967297, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L97] 0 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[q],IntegerLiteral[0U]]]] [L97] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [L=4294967297, N=4294967297, _argptr={0:0}, p=0, q=0, t1={5:0}, t2={3:0}, t3={6:0}] [L41] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] VAL [L=4294967297, N=4294967297, _argptr={0:0}, _argptr={0:0}, p=0, q=0] [L42] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,CastExpression[ACSLType[unsigned long],IdentifierExpression[_argptr]],IntegerLiteral[0UL]]]] [L42] 1 _Bool cond = N > 0; [L43] 1 CodeAnnotStmt[Assertion[BinaryExpression[COMPEQ,IdentifierExpression[N],IntegerLiteral[0U]]]] VAL [L=4294967297, N=4294967297, _argptr={0:0}, _argptr={0:0}, cond=1, p=0, q=0] - UnprovableResult [Line: 41]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 42]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 46]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 47]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 50]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 51]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 52]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 60]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 61]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 62]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 75]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 66]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 67]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 69]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 80]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 86]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 81]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 82]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that invariant of correctness witness holds Unable to prove that invariant of correctness witness holds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 99]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 98]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 209 locations, 116 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 180 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 531 IncrementalHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 11 mSDtfsCounter, 531 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=264occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-01-29 14:20:12,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE